Enabling And Disabling The Wireless (Wifi) Feature; Hot Key Definition - Dell Latitude 5424 Rugged Service Manual

Enabling the Function (Fn) lock
1. Press the Fn+Esc keys.
NOTE: Other secondary function keys on the top row are not affected and requires the use of the Fn key.
2. Press the Fn+Esc keys again to deactivate the function lock feature.
The function keys return to the default actions.

Enabling and disabling the wireless (WiFi) feature

1. To enable wireless Networking, press Fn + PrtScr.
2. Press Fn + PrtScr again to disable wireless Networking.

Hot key definition

Fn behavior: Primary behavior is media key; Secondary behavior is F1-F12 key.
● Fn Lock only switches primary and secondary behavior on F1-F12.
● F7 is stealth –unique for rugged and semi rugged platforms. It turns off LCD, all wireless, all alerts, indicator lights, sound,
fan, etc
Table 1. Keyboard shortcuts
Hot keys
Fn+ESC
Fn+F1
Fn+F2
Fn+F3
Fn+F4
16 Technology and components
Function
Fn Lock
Audio Volume Mute
Audio Volume Down/Decrease
Audio Volume Up/Increase
Microphone Mute
Description
Allows the user to toggle between
locked and unlocked Fn keys.
Temporarily mutes/unmutes the
audio. The audio level before
muting is returned after unmuting.
Decreases the audio volume until
minimum/off is reached.
Increases the audio volume until
maximum is reached.
Silences the on-board microphone
so it cannot record audio. There
is an LED on the F4 function key
that notifies the user of the state
of this feature:
● LED off = microphone capable
of recording audio
● LED on = microphone muted
and unable to record audio